Update 2014-01-25-apis.md

Added data.sgul.ac.uk - open data repository maintained by Giuseppe Sollazzo (puntofisso on GitHub and Twitter)
Merge branch 'master' into jon1

Conflicts:
	_posts/tools/2014-01-25-apis.md
Added protocol for automagic URL linkage to work
Merge branch 'jon1'

This is https://github.com/nhshackday/nhshackday.github.io/pull/109 + fixes
Merge branch 'master' of github.com:nhshackday/nhshackday.github.io